Synonyms|673Antonyms|118|Broader|13Narrower|17Related|401

373 entries under verb topic. ×

1
brief(support, favor, sustain, confirm)
1
build up(expression, support, increase, establish)
1
buy(support, back, sign, prove)
1
carry(hold, help, maintain, establish)
1
champion(hold, help, establish, back)
1
check on(expression, confirm, story, verify)
1
check up(expression, phrasal verb, idea, confirm)
1
check up on(expression, idiom, check, confirm)
1
cheer(hold, help, maintain, establish)
1
choke
1
comfort(hold, help, maintain, establish)
1
concretize(complete, express, realize, represent)
1
condone(support, favor, sustain, confirm)
1
cop a plea(expression, idiom, support, favor)
1
cosign(support, maintain, back, declare)
1
countenance(support, hold, help, favor)
1
crawl(support, favor, sustain, confirm)
1
declare true(expression, confirm, story, verify)
1
denote(show, prove, demonstrate)
1
display(state, show, establish, reveal)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>